1. Name the five notes above
2. Arrange them in order of length, from shortest to longest
Extension. Draw and name any other notes you know and arrange those in order of length as well
50% divide by 2
25% divide by 4 (half and half again)
10% divide by 10
1% divide by 100
2% get 1%, then double it (or add 1% and 1%)
20% get 10%, then double it (or add 10% and 10%)
5% get 10%, then half it
15% get 10%, get 5% (by halving 10%) then add the 10% and the 5%
30% get 10% and times by 3 (or add 10%, 10% and 10%)
33 1/3% divide by 3
75% get 50% and 25% and add them
40% get 10% and times by 4
90% get 10% and take it away from 100% (100% is the number you start with)
95% get 5% (see above) and take it away from 100% (100% is the number you start with)
110% add 10% to 100% (100% is the number you start with)
101% add 1% to 100% (100% is the number you start with)
150% add 50% to 100% (100% is the number you start with)
250% add 100% (start number), 100% (start number) and 50%
What religions are represented by the four symbols above?
Arrange the religions in order of how many followers you believe they have, from least to greatest
Research what the actual numbers of followers are for each religion and re-order
Extension: Choose one religion and consider where in the world it’s followers are concentrated. What other countries have a high proportion of that religion? What reasons can you give for the distribution of that religion?
This world religion map may help: World Religion Map
(1) What do the pictures represent?
(2) Put them in chronological order
Below you will find one of the sheets completed in class today.
Can you add any more to this list?
Are there any numbers that need changed?
What about number 12?
Here’s the NRICH article… http://nrich.maths.org/507